cec: osd string is 13 chars max. don't send more

[deb_libcec.git] / src / lib / devices / CECBusDevice.cpp

/*
 * This file is part of the libCEC(R) library.
 *
 * libCEC(R) is Copyright (C) 2011 Pulse-Eight Limited.  All rights reserved.
 * libCEC(R) is an original work, containing original code.
 *
 * libCEC(R) is a trademark of Pulse-Eight Limited.
 *
 * This program is dual-licensed; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 *
 *
 * Alternatively, you can license this library under a commercial license,
 * please contact Pulse-Eight Licensing for more information.
 *
 * For more information contact:
 * Pulse-Eight Licensing       <license@pulse-eight.com>
 *     http://www.pulse-eight.com/
 *     http://www.pulse-eight.net/
 */

#include "CECBusDevice.h"
#include "../CECProcessor.h"
#include "../implementations/ANCommandHandler.h"
#include "../implementations/CECCommandHandler.h"
#include "../implementations/SLCommandHandler.h"
#include "../platform/timeutils.h"

using namespace CEC;

CCECBusDevice::CCECBusDevice(CCECProcessor *processor, cec_logical_address iLogicalAddress, uint16_t iPhysicalAddress) :
  m_iPhysicalAddress(iPhysicalAddress),
  m_iLogicalAddress(iLogicalAddress),
  m_powerStatus(CEC_POWER_STATUS_UNKNOWN),
  m_processor(processor),
  m_iVendorClass(CEC_VENDOR_UNKNOWN),
  m_iLastActive(0),
  m_cecVersion(CEC_VERSION_1_3A)
{
  m_handler = new CCECCommandHandler(this);

  for (unsigned int iPtr = 0; iPtr < 4; iPtr++)
    m_menuLanguage.language[iPtr] = '?';
  m_menuLanguage.language[3] = 0;
  m_menuLanguage.device = iLogicalAddress;

  m_vendor.vendor = CEC_VENDOR_UNKNOWN;
  m_type          = CEC_DEVICE_TYPE_RESERVED;
  m_strDeviceName = "Unknown";
}

CCECBusDevice::~CCECBusDevice(void)
{
  m_condition.Broadcast();
  delete m_handler;
}

cec_logical_address CCECBusDevice::GetMyLogicalAddress(void) const
{
  return m_processor->GetLogicalAddress();
}

bool CCECBusDevice::MyLogicalAddressContains(cec_logical_address address) const
{
  return m_processor->HasLogicalAddress(address);
}

uint16_t CCECBusDevice::GetMyPhysicalAddress(void) const
{
  return m_processor->GetPhysicalAddress();
}

void CCECBusDevice::AddLog(cec_log_level level, const CStdString &strMessage)
{
  m_processor->AddLog(level, strMessage);
}

void CCECBusDevice::SetMenuLanguage(const cec_menu_language &language)
{
  if (language.device == m_iLogicalAddress)
  {
    CStdString strLog;
    strLog.Format("device %d menu language set to '%s'", m_iLogicalAddress, language.language);
    m_processor->AddLog(CEC_LOG_DEBUG, strLog);
    m_menuLanguage = language;
  }
}

void CCECBusDevice::SetCecVersion(const cec_version newVersion)
{
  CStdString strLog;
  m_cecVersion = newVersion;

  switch (newVersion)
  {
  case CEC_VERSION_1_2:
    strLog.Format("device %d reports CEC version 1.2", m_iLogicalAddress);
    break;
  case CEC_VERSION_1_2A:
    strLog.Format("device %d reports CEC version 1.2a", m_iLogicalAddress);
    break;
  case CEC_VERSION_1_3:
    strLog.Format("device %d reports CEC version 1.3", m_iLogicalAddress);
    break;
  case CEC_VERSION_1_3A:
    strLog.Format("device %d reports CEC version 1.3a", m_iLogicalAddress);
    break;
  default:
    strLog.Format("device %d reports an unknown CEC version", m_iLogicalAddress);
    m_cecVersion = CEC_VERSION_UNKNOWN;
    break;
  }
  AddLog(CEC_LOG_DEBUG, strLog);
}

void CCECBusDevice::SetPowerStatus(const cec_power_status powerStatus)
{
  if (m_powerStatus != powerStatus)
  {
    CStdString strLog;
    strLog.Format("device %d power status changed from %2x to %2x", m_iLogicalAddress, m_powerStatus, powerStatus);
    m_processor->AddLog(CEC_LOG_DEBUG, strLog);
    m_powerStatus = powerStatus;
  }
}

void CCECBusDevice::SetVendorId(const cec_datapacket &data)
{
  if (data.size < 3)
  {
    AddLog(CEC_LOG_WARNING, "invalid vendor ID received");
    return;
  }

  uint64_t iVendorId = ((uint64_t)data[0] << 3) +
                       ((uint64_t)data[1] << 2) +
                        (uint64_t)data[2];

  SetVendorId(iVendorId, data.size >= 4 ? data[3] : 0);
}

void CCECBusDevice::SetVendorId(uint64_t iVendorId, uint8_t iVendorClass /* = 0 */)
{
  m_vendor.vendor = (cec_vendor_id)iVendorId;
  m_iVendorClass = iVendorClass;

  switch (iVendorId)
  {
  case CEC_VENDOR_SAMSUNG:
    if (m_handler->GetVendorId() != CEC_VENDOR_SAMSUNG)
    {
      delete m_handler;
      m_handler = new CANCommandHandler(this);
    }
    break;
  case CEC_VENDOR_LG:
    if (m_handler->GetVendorId() != CEC_VENDOR_LG)
    {
      delete m_handler;
      m_handler = new CSLCommandHandler(this);
    }
    break;
  default:
    if (m_handler->GetVendorId() != CEC_VENDOR_UNKNOWN)
    {
      delete m_handler;
      m_handler = new CCECCommandHandler(this);
    }
    break;
  }

  CStdString strLog;
  strLog.Format("device %d: vendor = %s (%06x) class = %2x", m_iLogicalAddress, GetVendorName(), GetVendorId(), GetVendorClass());
  m_processor->AddLog(CEC_LOG_DEBUG, strLog.c_str());
}

bool CCECBusDevice::HandleCommand(const cec_command &command)
{
  CLockObject lock(&m_mutex);
  m_iLastActive = GetTimeMs();
  m_handler->HandleCommand(command);
  m_condition.Signal();
  return true;
}

const cec_vendor &CCECBusDevice::GetVendor(void)
{
  if (m_vendor.vendor == CEC_VENDOR_UNKNOWN)
  {
    AddLog(CEC_LOG_NOTICE, "<< requesting vendor ID");
    cec_command command;
    cec_command::format(command, GetMyLogicalAddress(), m_iLogicalAddress, CEC_OPCODE_GIVE_DEVICE_VENDOR_ID);
    CLockObject lock(&m_mutex);

    if (m_processor->Transmit(command))
      m_condition.Wait(&m_mutex, 1000);
  }

  return m_vendor;
}

void CCECBusDevice::PollVendorId(void)
{
  CLockObject lock(&m_mutex);
  if (m_iLastActive > 0 && m_iLogicalAddress != CECDEVICE_BROADCAST &&
      m_vendor.vendor == CEC_VENDOR_UNKNOWN &&
      GetTimeMs() - m_iLastActive > 5000)
  {
    m_iLastActive = GetTimeMs();

    cec_command command;
    cec_command::format(command, GetMyLogicalAddress(), m_iLogicalAddress, CEC_OPCODE_GIVE_DEVICE_VENDOR_ID);
    if (m_processor->Transmit(command))
      m_condition.Wait(&m_mutex, 1000);
  }
}

void CCECBusDevice::SetPhysicalAddress(uint16_t iNewAddress, uint16_t iOldAddress /* = 0 */)
{
  if (iNewAddress > 0)
  {
    CStdString strLog;
    strLog.Format(">> %i changed physical address from %04x to %04x", m_iLogicalAddress, m_iPhysicalAddress, iNewAddress);
    AddLog(CEC_LOG_DEBUG, strLog.c_str());

    m_iPhysicalAddress = iNewAddress;
  }
}

bool CCECBusDevice::PowerOn(void)
{
  CStdString strLog;
  strLog.Format("<< powering on device with logical address %d", (int8_t)m_iLogicalAddress);
  AddLog(CEC_LOG_DEBUG, strLog.c_str());

  cec_command command;
  cec_command::format(command, GetMyLogicalAddress(), m_iLogicalAddress, CEC_OPCODE_IMAGE_VIEW_ON);

  return m_processor->Transmit(command);
}

bool CCECBusDevice::Standby(void)
{
  CStdString strLog;
  strLog.Format("<< putting device with logical address %d in standby mode", (int8_t)m_iLogicalAddress);
  AddLog(CEC_LOG_DEBUG, strLog.c_str());

  cec_command command;
  cec_command::format(command, GetMyLogicalAddress(), m_iLogicalAddress, CEC_OPCODE_STANDBY);

  return m_processor->Transmit(command);
}

bool CCECBusDevice::SetOSDString(cec_display_control duration, const char *strMessage)
{
  CStdString strLog;
  strLog.Format("<< display message '%s'", strMessage);
  AddLog(CEC_LOG_NOTICE, strLog.c_str());

  cec_command command;
  cec_command::format(command, GetMyLogicalAddress(), m_iLogicalAddress, CEC_OPCODE_SET_OSD_STRING);
  command.parameters.push_back((uint8_t)duration);

  unsigned int iLen = strlen(strMessage);
  if (iLen > 13) iLen = 13;

  for (unsigned int iPtr = 0; iPtr < iLen; iPtr++)
    command.parameters.push_back(strMessage[iPtr]);

  return m_processor->Transmit(command);
}

bool CCECBusDevice::ReportCECVersion(cec_logical_address dest)
{
  AddLog(CEC_LOG_NOTICE, "<< reporting CEC version as 1.3a");

  cec_command command;
  cec_command::format(command, m_iLogicalAddress, dest, CEC_OPCODE_CEC_VERSION);
  command.parameters.push_back(m_cecVersion);

  return m_processor->Transmit(command);
}

bool CCECBusDevice::ReportDeckStatus(cec_logical_address dest)
{
  // need to support opcodes play and deck control before doing anything with this
  AddLog(CEC_LOG_NOTICE, "<< deck status requested, feature abort");
  m_processor->TransmitAbort(dest, CEC_OPCODE_GIVE_DEVICE_VENDOR_ID);
  return false;
}

bool CCECBusDevice::ReportMenuState(cec_logical_address dest, bool bActive /* = true */)
{
  if (bActive)
    AddLog(CEC_LOG_NOTICE, "<< reporting menu state as active");
  else
    AddLog(CEC_LOG_NOTICE, "<< reporting menu state as inactive");

  cec_command command;
  cec_command::format(command, m_iLogicalAddress, dest, CEC_OPCODE_MENU_STATUS);
  command.parameters.push_back(bActive ? (uint8_t) CEC_MENU_STATE_ACTIVATED : (uint8_t) CEC_MENU_STATE_DEACTIVATED);

  return m_processor->Transmit(command);
}

bool CCECBusDevice::ReportOSDName(cec_logical_address dest)
{
  CStdString strLog;
  strLog.Format("<< reporting OSD name as %s", m_strDeviceName.c_str());
  AddLog(CEC_LOG_NOTICE, strLog.c_str());

  cec_command command;
  cec_command::format(command, m_iLogicalAddress, dest, CEC_OPCODE_SET_OSD_NAME);
  for (unsigned int iPtr = 0; iPtr < m_strDeviceName.length(); iPtr++)
    command.parameters.push_back(m_strDeviceName.at(iPtr));

  return m_processor->Transmit(command);
}

bool CCECBusDevice::ReportPowerState(cec_logical_address dest)
{
  AddLog(CEC_LOG_NOTICE, "<< reporting \"On\" power status");

  cec_command command;
  cec_command::format(command, m_iLogicalAddress, dest, CEC_OPCODE_REPORT_POWER_STATUS);
//  command.parameters.push_back(bOn ? (uint8_t) CEC_POWER_STATUS_ON : (uint8_t) CEC_POWER_STATUS_STANDBY);
  command.parameters.push_back((uint8_t) CEC_POWER_STATUS_ON);

  return m_processor->Transmit(command);
}

bool CCECBusDevice::ReportVendorID(cec_logical_address dest)
{
  AddLog(CEC_LOG_NOTICE, "<< vendor ID requested, feature abort");
  m_processor->TransmitAbort(dest, CEC_OPCODE_GIVE_DEVICE_VENDOR_ID);
  return false;
}

bool CCECBusDevice::BroadcastActiveView(void)
{
  AddLog(CEC_LOG_DEBUG, "<< setting active view");

  cec_command command;
  cec_command::format(command, m_iLogicalAddress, CECDEVICE_BROADCAST, CEC_OPCODE_ACTIVE_SOURCE);
  command.parameters.push_back((m_iPhysicalAddress >> 8) & 0xFF);
  command.parameters.push_back(m_iPhysicalAddress & 0xFF);

  return m_processor->Transmit(command);
}

bool CCECBusDevice::BroadcastInactiveView(void)
{
  AddLog(CEC_LOG_DEBUG, "<< setting inactive view");

  cec_command command;
  cec_command::format(command, m_iLogicalAddress, CECDEVICE_BROADCAST, CEC_OPCODE_INACTIVE_SOURCE);
  command.parameters.push_back((m_iPhysicalAddress >> 8) & 0xFF);
  command.parameters.push_back(m_iPhysicalAddress & 0xFF);

  return m_processor->Transmit(command);
}

bool CCECBusDevice::BroadcastPhysicalAddress(void)
{
  CStdString strLog;
  strLog.Format("<< reporting physical address as %04x", m_iPhysicalAddress);
  AddLog(CEC_LOG_NOTICE, strLog.c_str());

  cec_command command;
  cec_command::format(command, m_iLogicalAddress, CECDEVICE_BROADCAST, CEC_OPCODE_REPORT_PHYSICAL_ADDRESS);
  command.parameters.push_back((uint8_t) ((m_iPhysicalAddress >> 8) & 0xFF));
  command.parameters.push_back((uint8_t) (m_iPhysicalAddress & 0xFF));
  command.parameters.push_back((uint8_t) (CEC_DEVICE_TYPE_PLAYBACK_DEVICE));

  return m_processor->Transmit(command);
}

bool CCECBusDevice::BroadcastActiveSource(void)
{
  AddLog(CEC_LOG_NOTICE, "<< broadcasting active source");

  cec_command command;
  cec_command::format(command, m_iLogicalAddress, CECDEVICE_BROADCAST, CEC_OPCODE_ACTIVE_SOURCE);
  command.parameters.push_back((uint8_t) ((m_iPhysicalAddress >> 8) & 0xFF));
  command.parameters.push_back((uint8_t) (m_iPhysicalAddress & 0xFF));

  return m_processor->Transmit(command);
}

cec_version CCECBusDevice::GetCecVersion(bool bRefresh /* = true */)
{
  if (bRefresh || m_cecVersion == CEC_VERSION_UNKNOWN)
  {
    AddLog(CEC_LOG_NOTICE, "<< requesting CEC version");
    cec_command command;
    cec_command::format(command, GetMyLogicalAddress(), m_iLogicalAddress, CEC_OPCODE_GET_CEC_VERSION);
    CLockObject lock(&m_mutex);
    if (m_processor->Transmit(command))
      m_condition.Wait(&m_mutex, 1000);
  }

  return m_cecVersion;
}

cec_menu_language &CCECBusDevice::GetMenuLanguage(bool bRefresh /* = true */)
{
  if (bRefresh || !strcmp(m_menuLanguage.language, "???"))
  {
    AddLog(CEC_LOG_NOTICE, "<< requesting menu language");
    cec_command command;
    cec_command::format(command, GetMyLogicalAddress(), m_iLogicalAddress, CEC_OPCODE_GET_MENU_LANGUAGE);
    CLockObject lock(&m_mutex);
    if (m_processor->Transmit(command))
      m_condition.Wait(&m_mutex, 1000);
  }

  return m_menuLanguage;
}

cec_power_status CCECBusDevice::GetPowerStatus(bool bRefresh /* = true */)
{
  if (bRefresh || m_powerStatus == CEC_POWER_STATUS_UNKNOWN)
  {
    AddLog(CEC_LOG_NOTICE, "<< requesting power status");
    cec_command command;
    cec_command::format(command, GetMyLogicalAddress(), m_iLogicalAddress, CEC_OPCODE_GIVE_DEVICE_POWER_STATUS);
    CLockObject lock(&m_mutex);
    if (m_processor->Transmit(command))
      m_condition.Wait(&m_mutex, 1000);
  }

  return m_powerStatus;
}

bool CCECBusDevice::PollDevice(cec_logical_address source /* = CECDEVICE_UNKNOWN */)
{
  bool bReturn(false);

  if (source == CECDEVICE_UNKNOWN)
    source = GetMyLogicalAddress();

  CStdString strLog;
  strLog.Format("<< sending POLL from device %1x to device %1x", (int8_t)source, m_iLogicalAddress);
  AddLog(CEC_LOG_DEBUG, strLog);

  cec_command command;
  cec_command::format(command, source, m_iLogicalAddress, CEC_OPCODE_NONE);
  CLockObject lock(&m_mutex);

  bReturn = m_processor->Transmit(command);
  AddLog(CEC_LOG_DEBUG, bReturn ? ">> POLL sent" : ">> POLL not sent");
  return bReturn;
}